I must affricate you must affricate she must affricate we must affricate you must affricate they must affricate
V-ing form
I must be affricating you must be affricating she must be affricating we must be affricating you must be affricating they must be affricating
Perfect
I must have affricated you must have affricated she must have affricated we must have affricated you must have affricated they must have affricated
V-ing perfect
I must have been affricating you must have been affricating she must have been affricating we must have been affricating you must have been affricating they must have been affricating
Negation
Simple form
I must not affricate you must not affricate she must not affricate we must not affricate you must not affricate they must not affricate
V-ing form
I must not be affricating you must not be affricating she must not be affricating we must not be affricating you must not be affricating they must not be affricating
Perfect
I must not have affricated you must not have affricated she must not have affricated we must not have affricated you must not have affricated they must not have affricated
V-ing perfect
I must not have been affricating you must not have been affricating she must not have been affricating we must not have been affricating you must not have been affricating they must not have been affricating
Interrogative form
Simple form
must I affricate? must you affricate? must she affricate? must we affricate? must you affricate? must they affricate?
V-ing form
must I be affricating? must you be affricating? must she be affricating? must we be affricating? must you be affricating? must they be affricating?
Perfect
must I have affricated? must you have affricated? must she have affricated? must we have affricated? must you have affricated? must they have affricated?
V-ing perfect
must I have been affricating? must you have been affricating? must she have been affricating? must we have been affricating? must you have been affricating? must they have been affricating?
Interro-negative form
Simple form
must I not affricate? must you not affricate? must she not affricate? must we not affricate? must you not affricate? must they not affricate?
V-ing form
must I not be affricating? must you not be affricating? must she not be affricating? must we not be affricating? must you not be affricating? must they not be affricating?
Perfect
must I not have affricated? must you not have affricated? must she not have affricated? must we not have affricated? must you not have affricated? must they not have affricated?
V-ing perfect
must I not have been affricating? must you not have been affricating? must she not have been affricating? must we not have been affricating? must you not have been affricating? must they not have been affricating?